Results of the study of snakes mortality on secondary roads in the vicinity of Tver

Cases of snake killings from the collision with motor transport on asphalt and earth parts of secondary road has been registered during two summer-fall periods of 2001-2002. There has been found dependence in the level of snakes mortality from the number of corresponding species in adjacent biotopes, as well as from the intensity and routes of their movements. The necessity of taking into consideration the data obtained, while doing the research on road with various traffic intensity, has been shown.